[1] Glyn fought in the First World War, during which he was mentioned in despatches and was awarded the Military Cross.
The following year, at the 1923 general election, Glyn stood in the Conservative-held seat of Abingdon, where the MP Arthur Loyd was not standing again.
[4] Lord Glyn married Sibell Vanden Bempde-Johnstone, daughter of Francis Vanden-Bempde-Johnstone, 2nd Baron Derwent and widow of Brigadier-General Walter Long, in 1921.
Lord Glyn survived her by two years and died in Oxfordshire in 1960, aged 75, when the baronetcy and barony became extinct.
Glyn was on the governing body of Abingdon School from 1924 to 1952 and again from 1955 to 1960 in addition to be the vice-chairman of the Governors from 1958 until his death in 1960.